根据句意和汉语提示写出英语单词。

1. If you want to eat Chinese food, you should go to the Chinese __________ (餐馆).

2. Tom ___________ (介绍) me to all his family.

3. It's bad ___________ (礼貌) to eat like that.

4. When I go to see my grandmother, she always makes ___________ (饺子) for me to eat.

5. When we play games, the girls always like ___________ (咯咯地笑).

硫转移剂的作用是将烟气中的硫化物（SO_x）转移到反应器，转化为（）。

A、S

B、SO₂

C、H₂SO₄

D、H₂S